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Honda B16A Head Gaskets

 
HG-MI4G63-9-86.3-1T Head Gasket
Engine
Honda
    B16A
    • B16A
    • B17A
    • B18A
    • B18B
    • B18C1
    • B18C2
    • B18C3
    • B18C5
    • B20
    • CR-Z
    • CRF250
    • CRF450
    • D15B
    • D16A6
    • D16A9 DOHC
    • D16Y6
    • D16Y7
    • D16Y8
    • D16Z6
    • D17A
    • F20C
    • F22A/B
    • F22C
    • H22A VTEC
    • H23A DOHC Non-VTEC
    • J30
    • J32
    • J35 -SOHC VTEC
    • K20A2
    • K20A3
    • K20A4
    • K20C1
    • K20Z1
    • K20Z3
    • K24A2
    • K24Z1
    • K24Z3
    • K24Z7
    • K24Z7 DOHC VTEC
    • K24Z8
    • L15A
    • LEA
    • R18A SOHC I-VTEC
    • ZC DOHC
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    Gasket Bore

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    • 82mm
    • 83mm
    • 84mm
    • 85mm

    Supertech High Performance Head Gaskets

    Engineered to Seal. Built to Win.

    Supertech head gaskets deliver superior sealing for boosted, high-compression, and competition engines. Each gasket is laser-cut from premium stainless steel for exact fitment and stress-relieved to endure extreme temperature and pressure cycles. Our MLS design features gas-stopper embossments and a uniform polymer coating to maintain a leak-free seal—even on less-than-perfect surfaces.

    Precision Meets Performance

    • Laser-Cut Stainless Construction for dimensional accuracy and consistent sealing.
    • Stress-Relieved Embossments to prevent cracking under high boost.
    • Advanced Polymer Coatings to micro-seal surface imperfections and resist heat cycling.
    • Application-Specific Fitment for OEM and race-built engines.
    • Race-Proven Reliability tested in extreme motorsport and dyno environments.

    Fire Ring Options for Extreme Builds

    Select applications feature Fire Ring gaskets—steel-core composites with separate stainless cut-rings for unmatched cylinder pressure sealing in ultra-high horsepower setups. A silicone-based sealing bead is applied around critical oil and coolant passages for maximum reliability.

    Compatible Applications

    Direct-fit coverage for top platforms, including Honda B-Series, Toyota 2JZ, Subaru EJ20, BMW S54/S52, Nissan SR20, and VW/Audi EA888.

    Complete Your Build

    Pair your head gasket with Supertech Pistons, Connecting Rods, and Valves for a complete bottom-end and valvetrain solution.